Click on thumbnails for a larger image. Please be patient since some of these pages of thumbnail images take some time to load. These mineral photos are copyrighted by their owners and may not be used without permission.
Curienite: Pb(UO2)2V2O8·5(H2O) Francevillite: (Ba,Pb)(UO2)2V2O8·5(H2O)
Comments: Intense yellow curienite and orange francevillite. Location: Mouonana, Haut-Ogoue, Gabon. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Curite: Pb3+x(H2O)2[(UO2)4+x(OH)3-x]2, x~0.5
Comments: Orangish red curite crystals. Location: Shinkolobwe mine, Tantara, Shaba, Democratic Republic of the Congo. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Cuspidine: Ca4Si2O7(F,OH)2 Jasmundite: Ca11(SiO4)4O2S
Comments: Tan-brownish crystals of jasmundite and dark green cuspidine with gehlenite and spinel in matrix. Location: Bellerberg, Eifel, Germany. Scale: Not Given. © Diederik Visser
Cuspidine: Ca4Si2O7(F,OH)2
Comments: Tan spear-shaped micro crystals of cuspidine in diopside. Location: San Vito Quarry, Vesuvius, Napoli, Campania, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Cuzticite: Fe+++2Te++++++O6·3(H2O)
Comments: Thin scaly yellow-brown crust of cuzticite on quartz. Location: Mina Bambollita, Moctezuma, Sonora, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Cyanochroite: K2Cu(SO4)2·6(H2O)
Comments: Pale blue crystal cluster of cyanochroite. Location: Eruption of 1870, Mount Vesuvius, Napoli, Campania, Italy. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Cyanophyllite: Cu++5Al2(SbO4)3(OH)7·9(H2O)
Comments: Small pale green cyanophyllite crystals with blue azurite on matrix. Location: Monte Avanza, Forni Avoltri, Udine, Italy. Scale: Picture size 1 cm. © Diederik Visser
Cyanotrichite: Cu4Al2(SO4)(OH)12·2(H2O)
Comments: Blue, acicular sprays of cyanotrichite on a gray matrix. Location: Maid of Sunshine Mine, Cochise County, Arizona, USA. Scale: See Image. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: Blue, hairy crystals of cyanotrichite. Location: Grandview mine, Grand Canyon, Coconino County, Arizona, USA. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Cyanotrichite: Cu4Al2(SO4)(OH)12·2(H2O) Azurite: Cu3(CO3)2(OH)2
Comments: Blue, hairy crystals of cyanotrichite with dark-blue, blocky azurite on a green, malachite matrix. Location: Maid of Sunshine Mine, Cochise County, Arizona, USA. Scale: See Image. © Jeff Weissman / Photographic Guide to Mineral Species